CN210482415U - Excavator arm bucket rod and excavator - Google Patents
Excavator arm bucket rod and excavator Download PDFInfo
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- CN210482415U CN210482415U CN201921043557.8U CN201921043557U CN210482415U CN 210482415 U CN210482415 U CN 210482415U CN 201921043557 U CN201921043557 U CN 201921043557U CN 210482415 U CN210482415 U CN 210482415U
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Abstract
The utility model discloses an excavator arm bucket rod and excavator, including the pole body and strengthening rib, the both ends of pole body are equipped with the first through-hole and the second through-hole that are used for connecting excavator scraper bowl and bucket rod hydro-cylinder respectively, and the top surface of pole body is equipped with a pair of otic placode that is used for connecting the scraper bowl hydro-cylinder, the strengthening rib is fixed on the top surface of pole body, along pole body axial distribution, one end extends to the position at otic placode, and the other end extends to the one end at first through-hole on the pole body, the strengthening rib is used for making the load of pole body top surface evenly distributed; can make the dipper bear the biggest digging force load, avoid the dipper top surface problem of warping that leads to under the high load condition, couple together dipper both ends pin joint, with the load evenly distributed of the upper cover plate on the dipper top surface, avoid stress concentration the dipper fracture that leads to.
Description
Technical Field
The application relates to the field of excavators, in particular to an excavator arm bucket rod and an excavator.
Background
The bucket rod is an important component of an excavator working device and is connected with a movable arm and a bucket of the excavator, so that the operation radius and the maximum excavating force of the excavator are influenced decisively, and the design of the bucket rod also has certain influence on the stability of the excavator.
The arm is the most direct working component for connecting the boom and the bucket in the excavator, and the impact and the loss of the arm are also the largest, so the arm needs to be reinforced and protected; the inventor finds that the existing bucket rod often adopts the form of pasting the board at reinforced in-process, sets up the strengthening rib between two otic placodes that are used for connecting the bucket hydro-cylinder at the bucket rod top to on transmitting the stress of otic placode to the top panel spare of bucket rod, this kind of reinforcing mode has improved the bearing capacity of otic placode, but can increase the load of bucket rod top plate, causes the bucket rod top to take place deformation, can increase the risk that bucket rod top plate fracture under the operating mode of high load.
SUMMERY OF THE UTILITY MODEL
The purpose of this application is to the defect that prior art exists, provides an arm dipper and excavator, adopts the strengthening rib to consolidate the dipper top, when improving dipper bulk strength, avoids setting up the too heavy problem of dipper that the reinforcing plate brought, and the cooperation flitch realizes the load evenly distributed at dipper top, has avoided stress concentration and the dipper fracture that leads to.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides an excavator arm dipper, includes pole body and strengthening rib, the both ends of pole body are equipped with first through-hole and the second through-hole that is used for connecting excavator bucket and dipper hydro-cylinder respectively, and the top surface of pole body is equipped with a pair of otic placode that is used for connecting the scraper bowl hydro-cylinder, the strengthening rib is fixed on the top surface of pole body, along pole body axial distribution, and one end extends to the otic placode position, and the other end extends to the pole body on the one end at first through-hole place, the strengthening rib is used for making the load evenly distributed of pole body top surface.
Further, the lug plate is positioned on one side of the rod body, which is far away from the movable arm of the excavator.
Furthermore, a groove for accommodating the bucket oil cylinder is arranged between the pair of lug plates, the flitch plate is fixed on the top surface of the rod body, one end of the flitch plate is fixed at the bottom of the groove, and the other end of the flitch plate is positioned between the lug plates and the first through hole.
Furthermore, the lug plate is located at one end close to the second through hole, a hinge hole is formed in the lug plate, and the hinge hole is used for being matched with one end of the bucket oil cylinder to achieve hinging.
Further, the flitch includes interconnect's recess section and canned paragraph, and the recess section covers the bottom of whole recess, and the canned paragraph sets up outside the recess to be connected with the strengthening rib.
Furthermore, there are two strengthening ribs, and parallel to each other sets up on the top surface of pole body, corresponds two otic placodes of connection respectively.
Further, the reinforcing rib is arranged on the edge of the top surface of the bucket rod and is flush with the edge of the top surface of the rod body.
Furthermore, the reinforcing rib is a rod piece, the axis of the rod piece is parallel to the axis of the rod body, and the reinforcing rib is fixed on the top surface of the rod body in an intermittent welding mode.
The application also provides an excavator, wherein the excavator is provided with the excavator arm bucket rod.
Furthermore, a first through hole of the bucket rod of the excavator arm is hinged with an excavator bucket, a second through hole is hinged with a bucket rod oil cylinder, and the lug plate is hinged with the bucket oil cylinder.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the reinforcing ribs are welded on the top surface of the bucket rod, so that the bucket rod can bear the maximum excavating force load, the problem of deformation of the top surface of the bucket rod caused under the condition of high load is avoided, hinged points at two ends of the bucket rod are connected, the load of an upper cover plate on the top surface of the bucket rod is uniformly distributed, and the bucket rod is prevented from cracking caused by stress concentration;
(2) the problem that the weight of the bucket rod is too large due to the fact that the strength of the upper cover plate is improved by increasing the thickness of the upper cover plate is solved due to excessive deformation of the upper cover plate caused by high load of the existing bucket rod, and the whole weight of the bucket rod is reduced while the rigidity of the upper cover plate is met;
(3) the two reinforcing ribs are respectively arranged on the two sides of the top surface of the bucket rod and arranged along the edges, so that the overall torsional rigidity of the bucket rod is increased, and the torsional damage of the oil cylinder to the hinged point at the lug plate is reduced, thereby improving the reliability of the excavator in the working process;
(4) through strengthening rib cooperation flitch, the otic placode stress that the flitch will receive transmits the upper cover plate, and the strengthening rib evenly absorbs this stress to improve the bulk strength of dipper, avoided the fracture rupture of dipper.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic overall structure diagram of embodiment 1 of the present application;
fig. 2 is a plan view of embodiment 1 of the present application.
Wherein: 1. the structure comprises a first reinforcing rib 2, a second reinforcing rib 3, a flitch plate 4 and a rod body.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" when appearing in this application are intended only to designate directions that are consistent with the up, down, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate description of the invention and to simplify description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Just as introducing in the background art, the dipper among the prior art often adopts the form of pasting the board at reinforced in-process, be used for connecting between two otic placodes of scraper bowl hydro-cylinder at the dipper top and set up the strengthening rib to on transmitting the roof panel spare of dipper with the stress of otic placode, this kind of reinforcing mode has improved the bearing capacity of otic placode, but can increase the load of dipper top plate, cause the dipper top to take place to warp, can increase the risk of dipper top plate fracture under the operating mode of high load, to above-mentioned problem, this application provides an arm dipper and excavator.
Example 1
In a typical embodiment of the present application, as shown in fig. 1, a stick for an excavator excavating arm is provided.
Including pole body 4 and the strengthening rib of setting on pole body, the both ends of pole body are equipped with first through-hole and the second through-hole that is used for connecting excavator scraper bowl and dipper hydro-cylinder respectively, and the top surface of pole body is equipped with a pair of otic placode that is used for connecting the scraper bowl hydro-cylinder, the otic placode be located the pole body and keep away from the one side at excavator swing arm, the strengthening rib is fixed on the top surface of pole body, along dipper axial distribution, one end extends to the otic placode position, and the other end extends to the pole body one end at first through-hole place, the strengthening rib is used for making the load evenly distributed of.
Of course, it can be understood that the top surface of the shaft is a top plane when the shaft is horizontally placed, and a third through hole is further formed in a position below the shaft and used for enabling the shaft to be hinged with a movable arm of the excavator; the reinforcing ribs are narrow strip-shaped elements with certain thickness, extend towards two ends along the axial direction of the bucket rod, and reinforce the rod body, so that when the top surface of the rod body is subjected to stress transmitted by the lug plates, the concentrated stress is dispersed and applied to the rod body;
in other embodiments, the top surface of the shaft is a plate, i.e., an upper cover plate, which is used for mounting the ear plate, and the stress applied to the ear plate can be applied to the upper cover plate.
Through welding the strengthening rib on the top surface of dipper, can make the dipper bear the biggest digging force load, avoid the dipper top surface problem of warping that leads to under the high load condition, couple together dipper both ends pin joint, with the load evenly distributed of the upper cover plate on the dipper top surface, avoided the dipper fracture that stress concentration leads to.
Furthermore, a groove for accommodating the bucket oil cylinder is arranged between the pair of lug plates, the flitch plate 3 is fixed on the top surface of the rod body, one end of the flitch plate is fixed at the bottom of the groove, and the other end of the flitch plate is positioned between the lug plates and the first through hole; the lug plate is positioned at one end close to the second through hole, a hinge hole is formed in the lug plate, and the hinge hole is used for being matched with one end of the bucket oil cylinder to realize hinge;
preferably, the flitch includes interconnect's recess section and canned paragraph, and the recess section covers the bottom of whole recess, and the canned paragraph sets up outside the recess to be connected with the strengthening rib.
Through strengthening rib cooperation flitch, the otic placode stress that the flitch will receive transmits the upper cover plate, and the strengthening rib evenly absorbs this stress to improve the bulk strength of dipper, avoided the fracture rupture of dipper.
Of course, it can be understood that the shape of the flitch is not limited as long as the stress of the lug plate can be transferred to the upper cover plate and the reinforcing ribs, in order to facilitate the arrangement of the flitch, a section of the flitch can be set to have a width equal to the width of the groove of the lug plate, and in addition, the width of the flitch can be properly increased at the part outside the groove, so that the area where the stress can be transferred is larger, and the stress concentration is relieved to a certain extent;
it should be noted that, unlike the structure in which the attachment plate is configured to have a large area and a large thickness, the attachment plate not only increases the overall size of the attachment plate, but also increases the weight of the entire arm.
Furthermore, two reinforcing ribs are provided, including a first reinforcing rib 1 and a second reinforcing rib 2, which are arranged on the top surface of the bar body in parallel and are respectively and correspondingly connected with the two ear plates; the reinforcing ribs and the two lug plates are correspondingly arranged, the front part and the rear part of the top surface can be reinforced respectively, and the torsional rigidity of the whole bucket rod can be improved after the reinforcing ribs and the two lug plates are arranged in parallel.
Preferably, the reinforcing rib is arranged at the edge of the top surface of the bucket rod and is flush with the edge of the top surface of the rod body.
Of course, it can be understood that the two reinforcing ribs are respectively arranged on the two sides of the top surface of the bucket rod and arranged along the edges, so that the overall torsional rigidity of the bucket rod is increased, the torsional damage of the oil cylinder to the hinged point of the lug plate is reduced, and the reliability of the excavator in the working process is improved.
Furthermore, the reinforcing rib is a rod piece, the axis of the rod piece is parallel to the axis of the rod body, and the reinforcing rib is fixed on the top surface of the rod body in an intermittent welding mode;
it should be noted that the common way of improving the strength is to increase the thickness and width of the shaft, so as to increase the sectional area of the shaft, and reduce the stress received by each part, but this strengthening method also increases the weight of the shaft though improving the strength, so as to affect other elements, cause excessive stress of other elements or stress concentration of the connecting member, and rather cause breakage more easily.
And this application has solved the excessive deformation of the upper cover plate that present dipper arouses when high load through setting up two member, avoids adopting the mode that increases the upper cover plate thickness to improve upper cover plate intensity and the too big problem of dipper quality that brings, when the realization satisfies upper cover plate rigidity, has reduced the whole weight of dipper.
Of course, the rod is a broad rod, which has a certain thickness, but the front and the back of the rod are narrower in the direction perpendicular to the axial direction of the rod body, so that the rod can be guaranteed to have light weight, and the stress distribution of other elements cannot be excessively influenced.
Example 2
In another exemplary embodiment of the present application, there is also provided an excavator using the arm stick described above.
The excavator is characterized in that one end of a movable arm of the excavator is connected with an excavator body, the other end of the movable arm of the excavator is hinged to a third through hole of a bucket rod through a pin shaft, a first through hole of the bucket rod of the excavator arm is hinged to an excavator bucket, a second through hole of the bucket rod is hinged to a bucket rod oil cylinder, and an ear plate of the excavator arm is hinged to the bucket oil cylinder.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an arm dipper, its characterized in that, includes pole body and strengthening rib, the both ends of pole body are equipped with first through-hole and the second through-hole that is used for connecting excavator scraper bowl and dipper hydro-cylinder respectively, and the top surface of pole body is equipped with a pair of otic placode that is used for connecting the scraper bowl hydro-cylinder, the strengthening rib is fixed on the top surface of pole body, along pole body axial distribution, and one end extends to the otic placode position, and the other end extends to the one end at pole body first through-hole place, the strengthening rib is used for making the load evenly distributed of pole body top surface.
2. The boom arm of claim 1, wherein the ear plate is located on a side of the shaft remote from the boom of the excavator.
3. The boom of claim 1, wherein a recess is defined between the pair of lugs for receiving a bucket cylinder, and a plate is secured to the top surface of the body, one end of the plate being secured to the bottom of the recess and the other end of the plate being disposed between the lugs and the first opening.
4. The boom arm of claim 3, wherein the ear plate is located proximate an end of the second through hole, the ear plate having a hinge hole for engaging an end of the bucket cylinder to provide a hinge.
5. The boom of claim 3, wherein the flitch plate comprises a groove section and a fixing section which are connected with each other, the groove section covers the bottom of the whole groove, and the fixing section is arranged outside the groove and connected with the reinforcing rib.
6. The boom of claim 1, wherein two of said ribs are disposed parallel to each other on the top surface of said shank and respectively connect said two lugs.
7. The boom arm of claim 6, wherein the reinforcement rib is disposed on an edge of the top surface of the arm flush with an edge of the top surface of the shank.
8. The boom of claim 6 wherein said rib is a rod having an axis parallel to the axis of the shank, said rib being affixed to the top surface of the shank by intermittent welding.
9. An excavator, wherein an arm stick as claimed in any one of claims 1 to 8 is mounted.
10. The excavator of claim 9 wherein the first aperture of the arm stick is hingedly connected to the excavator bucket, the second aperture is hingedly connected to the stick cylinder, and the ear plate is hingedly connected to the bucket cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043557.8U CN210482415U (en) | 2019-07-04 | 2019-07-04 | Excavator arm bucket rod and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921043557.8U CN210482415U (en) | 2019-07-04 | 2019-07-04 | Excavator arm bucket rod and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210482415U true CN210482415U (en) | 2020-05-08 |
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ID=70529828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921043557.8U Active CN210482415U (en) | 2019-07-04 | 2019-07-04 | Excavator arm bucket rod and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210482415U (en) |
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2019
- 2019-07-04 CN CN201921043557.8U patent/CN210482415U/en active Active
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| GR01 | Patent grant | ||
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |